The stamp "Filip Kester, Berlin-Friedenau, Wilhelm-Strasse 14" is on verso of the print.
Publications
A glass plate negative of this image is located in the Myron Bement Smith Collection, Freer Gallery of Art and Arthur M. Sackler Gallery Archives, Smithsonian Institution, Washington, D.C. The glass plate negative has the number "765" on recto in white ink and this is not visible on the gelatin silver print in the Nelson collection. The image is titled "Studio portrait: Ahmad Shah Qajar (approximately age 12)". However, in the book titled "Sevruguin and the Persian image" published by the Arthur M. Sackler Gallery in 1999, the image appears on page 92 and is titled "Malijak Aziz al-Sultan".
A Gelatin silver print of this image is located in the Brooklyn Museum, as part of a purchase gift of Leona Soudavar in memory of Ahmad Soudavar. The negative number is also not visible on this print, which has an accession number of 1997.3.101. The museum states that the image is either of Malijak Aziz al-Sultan, or Ahmad Shah, the last ruler of the Qajar dynasty (1909–1925).
The image is reproduced on page 310 of Volume IV of “Du Khorassan au pays des Backhtiaris: trois mois de voyage en Perse” by Henry-Rene D’Allemagne published in 1911 by Hachette, Paris, France. The image is titled "Sultan-Mirza-Ahmed".
The image is reproduced in a book titled "Iran and Iranians" by Youel B. Mirza which was published in 1913 by Williams & Wilkins Co. The image is titled: "His Imperial Majesty Sultan Ahmed Mirza".